astronomy

What is preventing us from sending numerous tiny probes/orbiters into interstellar space, do we still lack the technology or courage? Since through gravity assist alone we can increase the speed of spacecrafts, why don't we send out many in various directions, with all the necessary instruments...

We all should know Kepler 425-b and Gliese 581d, and many more, but would do you think would be the best candidate? Planet? Moon? What do you think? My personal opinion is on Gliese 581 g.

Hello Five minutes ago I was staring at the stars with some binoculars and saw what I thought it was a meteorite, but it continued going down the galaxy untill I lost it. It took about 30 seconds to go from my 90º top vertical vision to a 0º horizontal (I was laying on the ground, looking up)...

aerith.net says it could reach 2nd magnitude in July and Wikipedia says that it will reach perihelion on July 3rd and expected to be visible to the naked eye. Besides that and the theskylive.com page, I can't find anything else.

Hi, I'm a high school teacher in IT and I'm interested in astronomy as a hobby. I make fun astronomy games in my spare time and I thought it would be appropriate to present them in this forum. Here is example for fun puzzle to sort the moons of Uranus :) Interactive Uranus moons

In 1514 A.D Nicolaus Copernicus a polish astronomer postulated the theory, states that the Earth spins on its axis and revolves around the Sun. Since then it is a scientifically proved and well-known fact. later scientists were able to calculate that the Earth spins at a speed of about 1,000...

Most of us are aware of the black hole, what does it mean and what exactly it does and most recently scientists have revealed the first-ever image of a black hole. But have you ever thought is there any other type of structure similar to a black hole. Exactly, black hole is not the only type of...

Science attempts to explain the universe using logical and tested hypotheses. But even though we’ve been studying the universe and everything in it for centuries, we still don’t know everything. We probably never will! Some of the strangest and most interesting mysteries that still plague the...